media/audio/mac/audio_auhal_mac_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/basictypes.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/run_loop.h"
   9 #include "base/synchronization/waitable_event.h"
  10 #include "media/audio/audio_io.h"
  11 #include "media/audio/audio_manager.h"
  12 #include "media/audio/mock_audio_source_callback.h"
  13 #include "testing/gmock/include/gmock/gmock.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 using testing::_;
  17 using testing::DoAll;
  18 using testing::Return;
  19
  20 // TODO(crogers): Most of these tests can be made platform agnostic.
  21 // http://crbug.com/223242
  22
  23 namespace media {
  24
  25 ACTION(ZeroBuffer) {
  26   arg0->Zero();
  27 }
  28
  29 ACTION_P(SignalEvent, event) {
  30   event->Signal();
  31 }
  32
  33 class AUHALStreamTest : public testing::Test {
  34  public:
  35   AUHALStreamTest()
  36       : message_loop_(base::MessageLoop::TYPE_UI),
  37         manager_(AudioManager::CreateForTesting()) {
  38     // Wait for the AudioManager to finish any initialization on the audio loop.
  39     base::RunLoop().RunUntilIdle();
  40   }
  41
  42   virtual ~AUHALStreamTest() {
  43     base::RunLoop().RunUntilIdle();
  44   }
  45
  46   AudioOutputStream* Create() {
  47     return manager_->MakeAudioOutputStream(
  48         manager_->GetDefaultOutputStreamParameters(), "");
  49   }
  50
  51   bool CanRunAudioTests() {
  52     return manager_->HasAudioOutputDevices();
  53   }
  54
  55  protected:
  56   base::MessageLoop message_loop_;
  57   scoped_ptr<AudioManager> manager_;
  58   MockAudioSourceCallback source_;
  59
  60  private:
  61   DISALLOW_COPY_AND_ASSIGN(AUHALStreamTest);
  62 };
  63
  64 TEST_F(AUHALStreamTest, HardwareSampleRate) {
  65   if (!CanRunAudioTests())
  66     return;
  67   const AudioParameters preferred_params =
  68       manager_->GetDefaultOutputStreamParameters();
  69   EXPECT_GE(preferred_params.sample_rate(), 16000);
  70   EXPECT_LE(preferred_params.sample_rate(), 192000);
  71 }
  72
  73 TEST_F(AUHALStreamTest, CreateClose) {
  74   if (!CanRunAudioTests())
  75     return;
  76   Create()->Close();
  77 }
  78
  79 TEST_F(AUHALStreamTest, CreateOpenClose) {
  80   if (!CanRunAudioTests())
  81     return;
  82   AudioOutputStream* stream = Create();
  83   EXPECT_TRUE(stream->Open());
  84   stream->Close();
  85 }
  86
  87 TEST_F(AUHALStreamTest, CreateOpenStartStopClose) {
  88   if (!CanRunAudioTests())
  89     return;
  90
  91   AudioOutputStream* stream = Create();
  92   EXPECT_TRUE(stream->Open());
  93
  94   // Wait for the first data callback from the OS.
  95   base::WaitableEvent event(false, false);
  96   EXPECT_CALL(source_, OnMoreData(_, _))
  97       .WillOnce(DoAll(ZeroBuffer(), SignalEvent(&event), Return(0)));
  98   EXPECT_CALL(source_, OnError(_)).Times(0);
  99   stream->Start(&source_);
 100   event.Wait();
 101
 102   stream->Stop();
 103   stream->Close();
 104 }
 105
 106 }  // namespace media